Final answer:
Constantine is the Byzantine emperor who moved the capital east to the trade routes connecting the Black Sea and Mediterranean Sea.
Step-by-step explanation:
The Byzantine emperor who moved the capital east to the trade routes connecting the Black Sea and Mediterranean Sea was Constantine. He established the city of Constantinople, which later became the capital of the Byzantine Empire. By situating the capital in such a strategic location, Constantine facilitated trade between Europe and Asia, ensuring the empire's economic growth and prominence.
Learn more about Constantine's relocation of the Byzantine capital